Demo

Senior Linux System Administrator

MANTECH
Laurel, MD Full Time
POSTED ON 9/11/2026
AVAILABLE BEFORE 11/5/2026
MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD.

You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization—the foundation of all Enterprise Information Technology (EIT) for MPO.

Responsibilities Include But Are Not Limited To

  • Configure, manage and troubleshoot Linux operating systems. Installs/loads operating system software, troubleshoot and maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
  • Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
  • Manage IT system infrastructure and any processes related to these systems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the dispatch system and hardware problems and will remain involved in the resolution process.
  • Optimize system operations and resource utilization and perform system capacity analysis and planning.
  • Analyze and resolve complex problems associated with server hardware, applications and software integration.

Minimum Qualifications

  • Bachelor’s degree in a technical discipline with 12 years of experience as a Systems Administrator OR 15 years and an associate’s degree OR 20 years of experience and a high school diploma.
  • Demonstrated experience in planning and leading Systems Engineering efforts is required.
  • Must be proficient with troubleshooting in a Linux Red Hat environment.
  • Extensive experience with VMWare
  • Demonstrated experience with modern automation/configuration tools such as Splunk or Ansible
  • IAT I certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include A CE/CCNA-Security/CND/Network CE /CySA /GICSP/GSEC/Security CE/CND/SSCP)

Preferred Qualifications

  • Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching.
  • Red Hat Certified System Administration Certification.
  • Experience with NetAPP

Clearance Requirements

  • Active TS/SCI with Polygraph

Physical Requirements

  • The person in this position must be able to remain in a stationary position 50% of the time.
  • Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication.

Salary.com Estimation for Senior Linux System Administrator in Laurel, MD
$102,890 to $136,140
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Linux System Administrator?

Sign up to receive alerts about other jobs on the Senior Linux System Administrator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$85,059 - $120,527
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806

Sign up to receive alerts about other jobs with skills like those required for the Senior Linux System Administrator.

Click the checkbox next to the jobs that you are interested in.

  • Backup/Recovery Skill

    • Income Estimation: $101,597 - $131,824
    • Income Estimation: $104,896 - $133,785
  • Enterprise Storage Skill

    • Income Estimation: $69,043 - $113,369
    • Income Estimation: $86,680 - $110,316
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at MANTECH

  • MANTECH Washington, DC
  • MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Officer (ISSO) to join our team in Washington, DC. Respons... more
  • 1 Day Ago

  • MANTECH Washington, DC
  • MANTECH seeks a motivated, career and customer-oriented Junior Cloud Information System Security Officer (ISSO) to join our team in Washington, D.C. Respon... more
  • 1 Day Ago

  • MANTECH Aiea, HI
  • MANTECH seeks a driven and organized Property Manager to join our team in Oahu, HI. This role focuses on property and asset management within a globally dy... more
  • 1 Day Ago

  • MANTECH Aiea, HI
  • MANTECH seeks motivated, career and customer-oriented Senior Business Operations Specialist to join our team in Oahu Hawaii. Responsibilities Include But A... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Senior Linux System Administrator jobs in the Laurel, MD area that may be a better fit.

  • ManTech International Laurel, MD
  • Join ManTech and become a part of a team that collaborates to deliver innovative technologies and solutions essential for the U.S. intelligence community, ... more
  • 1 Month Ago

  • blackcanyonconsulting Bethesda, MD
  • Overview Black Canyon Consulting (BCC) is actively looking for Senior Linux System Administrator to support our work for the National Center for Biotechnol... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!